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HT48RA0-6 Datasheet(PDF) 6 Page - Holtek Semiconductor Inc |
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HT48RA0-6 Datasheet(HTML) 6 Page - Holtek Semiconductor Inc |
6 / 45 page Rev. 1.20 � �a��� 2�� 201� Rev. 1.20 7 �a��� 2�� 201� HT48RA0-6 Remote Type 8-bit MCU HT48RA0-6 Remote Type 8-bit MCU Pin Description Pin Name I/O Configuration Option Description PA0~PA7 I/O — Bidi�e�tional 8-bit input/output po�t wit� pull-�ig� �esisto�s. Softwa�e inst�u�tions dete�mine if t�e pin is an N�OS output o� S��mitt T�igge� input. Each pin can have a wake-up function if configured as an input pin. PB0~PB3 PB5/OSC2 PB�/OSC1 PB7 I/O OSC Bidi�e�tional 7-bit input/output po�t wit� pull-�ig� �esisto�s. Softwa�e inst�u�tions dete�mine if t�e pin is an N�OS output o� S��mitt T�igge� input. Each pin can have a wake-up function if configured as an input pin. PB5 and PB� a�e pin-s�a�ed wit� t�e exte�nal ��ystal pins named OSC2 and OSC1 respectively determined by a configuration option. PC0/RES ST RES Bidi�e�tional 1-bit input/output po�t wit�out a pull-�ig� �esisto�. Softwa�e inst�u�tions dete�mine if t�e pin is an N�OS output o� S��mitt T�igge� input. This pin has the capability of wake-up when it is configured as an input pin. PC0 is pin-s�a�ed wit� t�e exte�nal �eset pin named RES determined by a configuration option. RE�/RE�DRV O RE�/RE�DRV Ca��ie� output dual fun�tion pin. RE� is a C�OS �a��ie� output pin wit� an initial low level afte� a �eset. RE�DRV pin is a �ig� sink �u��ent N�OS open drain carrier output pin which will be in a floating condition afte� a �eset. T�e sele�tion of RE� o� RE�DRV is dete�mined by a configuration option. VDD — — Positive powe� supply VSS — — Negative powe� supply� g�ound VSS1 — — Negative powe� supply� g�ound of RE�/RE�DRV pin. Absolute Maximum Ratings SupplyVoltage................................................................................................VSS−0.3VtoVSS+4.0V InputVoltage..................................................................................................VSS−0.3VtoVDD+0.3V StorageTemperature....................................................................................................-50˚Cto125˚C OperatingTemperature..................................................................................................-20˚Cto70˚C IOHTotal..................................................................................................................................-100mA IOLTotal................................................................................................................................... 150mA TotalPowerDissipation........................................................................................................ 500mW Note:Thesearestressratingsonly.Stressesexceedingtherangespecifiedunder"AbsoluteMaximum Ratings"maycausesubstantialdamagetothesedevices.Functionaloperationofthesedevicesat otherconditionsbeyondthoselistedinthespecificationisnotimpliedandprolongedexposureto extremeconditionsmayaffectdevicesreliability. |
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